# Service difficulty reports: N990NN

A list on [N990NN](https://openairdocs.org/aircraft/N990NN.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

- [SDR AALA202606150439](https://openairdocs.org/sdr/AALA202606150439.md): Potable Water · empty · Jun 13, 2026 · N990NN · Boeing 737823 · Potable Water System
  > AIRCRAFT WAS GROUNDED: FA NOTIFIED FLIGHT DECK THEY HAD ZERO POTABLE WATER UPON REACHING CRUISE. I HAD THEM TRY TO FLUSH TOILETS AND USE SINK, STILL ZERO WATER AVAILABLE. ALSO ZERO WATER AVAILABLE IN EITHER GALLEY. DECESION MADE TO RETURN TO CLT EMERGENCY DECL
- [SDR AALA202604066516](https://openairdocs.org/sdr/AALA202604066516.md): Sign · detached · Apr 3, 2026 · N990NN · Boeing 737823 · Emergency Lighting
  > AIRCRAFT WAS NOT GROUNDED: EMERGENCY EXIT SIGN NEAR 17A NEEDS REATTACHED. REATTACHED EMERGENCY EXIT SIGN. PER AMM 25-21-13.
- [SDR AALA202512197545](https://openairdocs.org/sdr/AALA202512197545.md): Door · out of adjust · Dec 18, 2025 · N990NN · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: LAVATORY-E DOOR STICKS AND IS DIFFICULT TO BOTH OPEN. ADJUSTED AND LUBED LAVATORY-E DOOR. PER AMM 25-40-15.
- [SDR AALA202507311321](https://openairdocs.org/sdr/AALA202507311321.md): Flashlight · inoperative · Jul 29, 2025 · N990NN · Boeing 737823 · Emergency Equipment
  > AIRCRAFT WAS NOT GROUNDED: AFT RIGHT JUMPSEAT FLASHLIGHT IS INOPERATIVE. INSTALLED NEW BATTERY IN AFT RIGHT JUMPSEAT FLASHLIGHT. PER AMM 25-64-00.
- [SDR AALA202507083269](https://openairdocs.org/sdr/AALA202507083269.md): Handle · binding · Jul 1, 2025 · N990NN · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT REPORTS HANDLE OF THE DOOR ON AFT RIGHT LAVATORY-E IS DIFFICULT TO OPEN. CONFIRMED RIGHT AFT DOOR INTERMITTENT HARD TO OPEN, SEEMS HINGE MAY BE WORN. REMOVED AND REPLACED LAVATORY-E DOOR HANDLE. PER AARD 25-40-10. O
- [SDR AALA202507023269](https://openairdocs.org/sdr/AALA202507023269.md): Door · binding · Jul 1, 2025 · N990NN · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT REPORTS HANDLE OF THE DOOR ON AFT RIGHT LAV IS DIFFICULT TO OPEN. CONFIRMED RIGHT AFT DOOR INTERMITTENT HARD TO OPEN, SEEMS HINGE MAY BE WORN. (OPEN).
- [SDR AALA202503263618](https://openairdocs.org/sdr/AALA202503263618.md): Retainer · lack of lube · Mar 25, 2025 · N990NN · Boeing 737823 · Emergency Equipment
  > AIRCRAFT WAS NOT GROUNDED: THE LATCHES BOTH IN ARMED AND DISARMED FOR THE GIRT BAR AT THE FORWARD SERVICE DOOR ARE DIFFICULT TO ENGAGE. LUBED LATCHES ON FORWARD SERVICE DOOR GIRT BAR PER AMM 20-30-2
- [SDR AALA202503117525](https://openairdocs.org/sdr/AALA202503117525.md): Door Track · unsecure · Mar 10, 2025 · N990NN · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: LAVATORY-D DOOR HARD TO OPEN AND CLOSE. RESECURED DOOR GUIDE IN TRACK, OPERTIONAL CHECK GOOD.
- [SDR AALA202503117807](https://openairdocs.org/sdr/AALA202503117807.md): Cover · missing · Mar 10, 2025 · N990NN · Boeing 737823 · Emergency Lighting
  > AIRCRAFT WAS NOT GROUNDED: EXIT SIGN COVER MISSING ON WALL ROW 16F. REPLACED MISSING EMERGENCY LIGHT LENS.
- [SDR AALA202408143709](https://openairdocs.org/sdr/AALA202408143709.md): Door · jammed · Aug 13, 2024 · N990NN · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: LEFT AFT LAVATORY TOP OF DOOR BENT. DOOR STICKS SHUT. UNJAMMED AFT LEFT LAVATORY DOOR. OPERATIONAL CHECK GOOD.
- [SDR AALA202404225076](https://openairdocs.org/sdr/AALA202404225076.md): Floorbeam · cracked · Apr 21, 2024 · N990NN · Boeing 737823 · Fuselage Main, Floor Beam
  > AIRCRAFT IN BASE MAINTENANCE: CRACK IN PASSENGER CABIN FLOOR STRUCTURE BREAK ASSEMBLY PANEL AT BS 540 FROM BL 0 TO LBL 24. REPLACED BREAK ASSEMBLY PANEL PER SRM 51-40-02-0G.
- [SDR AALA202404251311](https://openairdocs.org/sdr/AALA202404251311.md): Floorbeam · cracked · Apr 15, 2024 · N990NN · Boeing 737823 · Fuselage Main, Floor Beam
  > AIRCRAFT IN BASE MAINTENANCE: CRACK IN FLOORBEAM ASSEMBLY AT STA 540 FROM BL 0 TO RBL 24. REPLACED FLOORBEAM ASSEMBLY PER SRM 51-40-02-0G.
- [SDR AALA202404263953](https://openairdocs.org/sdr/AALA202404263953.md): Seat Track · corroded · Apr 11, 2024 · N990NN · Boeing 737823 · Fuselage, Seat/Cargo Attach Fittings
  > AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN SEAT TRACK AT STA 727 PLUS 10 INCHES, RBL 24. REPLACED SEAT TRACK CROWN PER SRM 53-00-52-2R-3 AND SRM 51-40-02-0G.
- [SDR AALA202402209833](https://openairdocs.org/sdr/AALA202402209833.md): Slide · unserviceable · Feb 20, 2024 · N990NN · Boeing 737823 · Escape Slide
  > AIRCRAFT WAS NOT GROUNDED: R1 DOOR EMERGENCY ESCAPE SLIDE REQUIRES REPLACEMENT. REPLACED R1 DOOR ESCAPE SLIDE. PER WORK CARD 08L22125001.
- [SDR AALA202307074661](https://openairdocs.org/sdr/AALA202307074661.md): Girt Bar · out of position · Jul 6, 2023 · N990NN · Boeing 737823 · Emergency Equipment
  > AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT REPORTS L2 SLIDE IS HANGING TOO LOW CAUSING GIRT BAR INTERFERENCE. RESTOWED GIRT BAR FLAP AS REQUIRED.
- [SDR AALA202305110168](https://openairdocs.org/sdr/AALA202305110168.md): Bulb · inoperative · May 10, 2023 · N990NN · Boeing 737823 · Emergency Lighting
  > AIRCRAFT WAS NOT GROUNDED: EMERGENCY EXIT LIGHTS NOT ARMED. LIGHT HAS INOPERATIVE BULB. REPLAMPED IN ACCORDANCE WITH AMM 33-18-00. CHECKS NORMAL.
- [SDR AALA202210289405](https://openairdocs.org/sdr/AALA202210289405.md): Girt Bar · loose · Oct 27, 2022 · N990NN · Boeing 737823 · Emergency Equipment
  > AIRCRAFT WAS NOT REQUIRED: AFT LEFT SLIDE/ GIRT BAR LOOSE. ADJUSTED CLIP FOR GIRT BAR ON L2 DOOR OK FOR SERVICE PER AMM 25-66-00.
- [SDR AALA202208307212](https://openairdocs.org/sdr/AALA202208307212.md): Computer · inoperative · Aug 27, 2022 · N990NN · Boeing 737 · Autopilot System
  > AIRCRAFT WAS GROUNDED: TRIED TO ENGAGE AUTOPILOT B AT 16,000, TRIED TO ENGAGE AUTOPILOT A, NEITHER WOULD ENGAGE. I RESET THE ENTIRE MODE CONTROL PANEL, TURNED OFF AUTO THRUST, BOTH FLIGHT, VNAV, LNAV, REENGAGED -AUTOPILOTS STILL WOULD NOT ENGAGE. FOUND FAULT C
- [SDR AALA202207180392](https://openairdocs.org/sdr/AALA202207180392.md): Switch · inoperative · Jul 15, 2022 · N990NN · Boeing 737823 · Landing Gear Retraction/Extension System
  > AIRCRAFT WAS GROUNDED: LANDING GEAR WOULD NOT RETRACT AND ALTERNATE EXTENSION DOOR NEEDS CLEANING. ACCOMPLISHED CLEANING DOOR SWITCHES PER FIM 32-30-00 AND MAIN LANDING GEAR OPERATIONS TEST PER AMM 32-32-00 OPERATIONS CHECK GOOD.
- [SDR AALA202207011443](https://openairdocs.org/sdr/AALA202207011443.md): Light · unsecure · Jun 28, 2022 · N990NN · Boeing 737 · Emergency Lighting
  > AIRCRAFT WAS NOT GROUNDED: EXIT PATH LIGHT AT SEAT 11C DANGLING BY ITS WIRES. SECURED SEAT MOUNTED EMERGENCY PATH LIGHT ASSEMBLY TO SEAT CHECKS OK TO CONTINUE SERVICE PER AMM 33-00-00.
- [SDR AALA202111087613](https://openairdocs.org/sdr/AALA202111087613.md): Cover · out of position · Nov 7, 2021 · N990NN · Boeing 737* · Escape Slide
  > AIRCRAFT WAS NOT GROUNDED: AFT LEFT DOOR EMERGENCY SLIDE COMPARTMENT NEEDS TO BE CHECKED. MAINTENANCE FOUND DOOR 2L SLIDE BOTTOM, PULLED AWAY FROM VELCRO LINING, RE-ATTACHED TO VELCRO LINING. OK FOR SERVICE PER AMM 52-10-00.
- [SDR AALA202107163780](https://openairdocs.org/sdr/AALA202107163780.md): Motor · inoperative · Jul 15, 2021 · N990NN · Boeing 737823 · Stabilizer Control System
  > AIRCRAFT WAS GROUNDED: IN LEVEL FLIGHT AT 17,000 FEET, 290 KNOTS, WITH RIGHT AUTO PILOT ENGAGED, THE STABILIZER OUT OF TRIM LIGHT ILLUMINATED. PER QUICK REFERENCE HANDBOOK, YOKE ELECTRIC TRIM WAS INOPERATIVE. MANUAL TRIM UNUSUALLY DIFFICULT TO MOVE BUT WAS O
- [SDR AALA202106119026](https://openairdocs.org/sdr/AALA202106119026.md): Control Unit · faulted · Jun 8, 2021 · N990NN · Boeing 737823 · Engine Thrust Reverser
  > AIRCRAFT WAS GROUNDED: LOW SPEED REJECTED TAKEOFF DUE TO THRUST REVERSER UNIT LIGHT TR 3 SHOWS 0 VOLTAGE. REPLACED STANDBY POWER CONTROL UNIT IAW AMM 24-34-11, OPS CHECK GOOD.
- [SDR AALA202106099007](https://openairdocs.org/sdr/AALA202106099007.md): Control Unit · inoperative · Jun 8, 2021 · N990NN · Boeing 737823 · DC Generating System
  > AIRCRAFT WAS GROUNDED: LOW SPEED REJECTED TAKEOFF DUE TO TRANSFORMER RECTIFIER UNIT LIGHT. TRANSFORMER RECTIFIER 3 SHOWS 0 VOLTAGE. REMOVED AND REPLACED STANDBY POWER CONTROL UNIT IAW AMM 24-34-11.
- [SDR AALA202104089027](https://openairdocs.org/sdr/AALA202104089027.md): Angle · corroded · Mar 25, 2021 · N990NN · Boeing 737823 · Fuselage Miscellaneous Structure
  > AIRCRAFT IN BASE MAINTENANCE: CORROSION ON FORWARD CARGO COMPARTMENT AFT BULKHEAD LOWER CENTER FLOOR ANGLE AT BS 500I BETWEEN LBL 24 AND RBL 24. REMOVED CORROSION AND FOUND TO BE WITHIN LIMITS PER SRM 51-10-02.
- [SDR AALA202012149028](https://openairdocs.org/sdr/AALA202012149028.md): Window · cracked · Dec 11, 2020 · N990NN · Boeing 737823 · Flight Compartment Windows
  > AIRCRAFT WAS NOT GROUNDED. L1 WINDOW CRACKED ON TAXI IN AFTER LANDING. REPLACED L1 WINDOW WITH SERVICEABLE UNIT, IAW WORKCARD 08L21056003.
- [SDR AALA202012149010](https://openairdocs.org/sdr/AALA202012149010.md): Window · delaminated · Dec 11, 2020 · N990NN · Boeing 737823 · Flight Compartment Windows
  > AIRCRAFT WAS NOT GROUNDED. R1 WINDOW SHOWING SIGNS OF BURNING, PITTING, AND DELAMINATION NEAR LOWER OUTBOARD EDGE. REPLACED R1 WINDOW WITH SERVICEABLE UNIT, IAW WORKCARD 08L21056004.
- [SDR AALA2020091549004](https://openairdocs.org/sdr/AALA2020091549004.md): Circuit Breaker · tripped · Sep 13, 2020 · N990NN · Boeing 737823 · Emergency Lighting
  > AIRCRAFT WAS NOT GROUNDED: FOUND CABIN EMERGENCY LIGHT CIRCUIT BREAKER POPPED DURING PREFLIGHT. RESET CIRCUIT BREAKER AND SYSTEM OPERATIONS CHECKS NORMAL, PER AMM 33-51-00.
- [SDR AALA201908319009](https://openairdocs.org/sdr/AALA201908319009.md): Fmc · malfunctioned · Aug 30, 2019 · N990NN · Boeing 737823 · Flight Management Computing Hardware System
  > AIRCRAFT NOT GROUNDED: PILOT REPORTS DUAL FMC FAILURE 30 MIN INTO FLIGHT AT 370 FL. WHILE ACCOMPLISHING QRH PROCEDURE BOTH FMCS REBOOTED BY THEM SELFS, RELOADED FLIGHT PLAN AND CONTINUED FLIGHT. MAINTENANCE ACCOMPLISHED BITE OF BOTH FMCS WITH NO FAULTS IAW FI
- [SDR AALA201907229026](https://openairdocs.org/sdr/AALA201907229026.md): Unknown · malfunctioned · Jul 21, 2019 · N990NN · Boeing 737823 · Cabin Pressure Control System
  > AIRCRAFT NOT GROUNDED: PILOT REPORTS DURING DESCENT FROM FL360 TO BELOW 10,000FT, EXPERIENCED RAPID CHANGES IN CABIN CLIMB & DESCENT RATES WITH SMALL CHANGES IN THRUST, FROM + 500 FPM TO - 1500 FPM. MAINTENANCE PERFORMED PRESSURIZATION SYSTEM GROUND TEST AND C
- [SDR AALA201804039031](https://openairdocs.org/sdr/AALA201804039031.md): Snubber · faulty · Mar 29, 2018 · N990NN · Boeing 737823 · Passenger/Crew Doors
  > AIRCRAFT WAS GROUNDED. AFT L2 DOOR DIFFICULT TO OPEN. REPLACED THE DOOR SNUBBER IAW AMM 52-11-51.
- [SDR AALA201707039040](https://openairdocs.org/sdr/AALA201707039040.md): Lens · missing · Jul 1, 2017 · N990NN · Boeing 737823 · Emergency Lighting
  > THE AIRCRAFT WAS NOT GROUNDED. AFT RIGHT EMERGENCY EXIT ROW EXIT SIGN MISSING (ROW15). REPLACED EXIT LENS ROW15 RIGHT, EMERGENCY LIGHT TESTS OK PER AMM 33-51-02.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE n_number = 'N990NN' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N990NN/reports

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